4 institutions reported holding $9.2M of Iberdrola SA (IBDSF) in SEC 13F filings for 2026-03-31. Largest institutional holders: Generali Investments CEE, investicni spolecnost, a.s. ($7.8M), Canton Hathaway, LLC ($1.2M), GAMMA Investing LLC ($219,373), ATLAS CAPITAL ADVISORS INC. ($5,178). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Generali Investments CEE, investicni spolecnost, a.s. | $7.8M | 342,600 | Added |
| 2 | Canton Hathaway, LLC | $1.2M | 53,023 | Added |
| 3 | GAMMA Investing LLC | $219,373 | 9,609 | Added |
| 4 | ATLAS CAPITAL ADVISORS INC. | $5,178 | 227 | Added |
Source: SEC Form 13F filings · as of 2026-03-31